Every profession and every job has some standard operating procedures, code of conduct, and ethics that must be followed by its practitioners. If the professionals do not follow these rules and guidelines, then they are said to be professionally negligent. There are different professions for which, not following the code of conduct is not less than a crime. These include law, medicine, and advisory services. The errors by professionals in these industries due to their negligence, non-serious attitude, behaviour, and carelessness are called professional negligence.